Home / 22,010.24-30,379.92-13,633.76

Finding the Fourth Proportional to 22,010.24, 30,379.92 and 13,633.76

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Solution

The fourth proportional to 22,010.24, 30,379.92 and 13,633.76 is: 18,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.24 : 30,379.92 = 13,633.76 : x
  2. Step 2: Convert to fraction form
    22,010.24/30,379.92 = 13,633.76/x
  3. Step 3: Cross multiply
    22,010.24x = 30,379.92 × 13,633.76
  4. Step 4: Simplify right side
    22,010.24x = 414,192,538.10
  5. Step 5: Solve for x
    x = 414,192,538.10/22,010.24
  6. Step 6: Final answer
    x = 18,818.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.